Abstract
We report the first sub-picosecond pulses using a multiple quantum well (MQW) saturable absorber in a mode-locked erbium doped fiber laser. The all-fiber bidirectional ring laser configuration includes a one percent output coupler, a polarization controller and a 1.23 meter erbium-doped fiber pumped by a 1480 nm laser diode. As a fast saturable absorber, we used a strained InGaAs/GaAs-on-GaAs MQW stack similar to that in Ref. 1, but with an indium content of 68%.
© 1991 Optical Society of America
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